#pragma once

#include<iostream>
#include<string>
#include<fstream>
#include<unordered_map>
#include "Log.hpp"
#include "InetAddr.hpp"

const std::string defaultdict = "./dictionary.txt";
const std::string sep = ": ";

using namespace LogModule;

class Dict
{
public:
	Dict(const std::string &path = defaultdict) : _dict_path(path)
    {
    }
	bool LoadDict()
	{
		std::ifstream in(_dict_path);
		if(!in.is_open())
		{
			LOG(LogLevel::DEBUG) << "打开字典：" << _dict_path << " 错误";
			return false;
		}
		std::string line;
		while(std::getline(in, line))
		{
			// "apple: 苹果"
			auto pos = line.find(sep);
			if(pos == std::string::npos)//没找到时的返回值
			{
				LOG(LogLevel::WARNING) << "解析: " << line << " 失败";
				continue;
			}
			std::string english = line.substr(0, pos);
			std::string chinese = line.substr(pos + sep.size());
			if(english.empty() || chinese.empty())
			{
				LOG(LogLevel::WARNING) << "没有有效内容: " << line;
                continue;
			}
						//用于创建并返回一个 std::pair 对象
			_dict.insert(std::make_pair(english, chinese));
			LOG(LogLevel::DEBUG) << "加载: " << line;
		}

		in.close();
		return true;
	}

	std::string Translate(const std::string &word, InetAddr &client)
	{
		auto iter = _dict.find(word);
		if (iter == _dict.end())
        {
            LOG(LogLevel::DEBUG) << "进入到了翻译模块, [" << client.Ip() <<
			 " : " << client.Port() << "]# " << word << "->None";
            return "None";
        }
        LOG(LogLevel::DEBUG) << "进入到了翻译模块, [" << client.Ip() << " : " <<
		 client.Port() << "]# " << word << "->" << iter->second;
        return iter->second;
	}
	~Dict()
    {
    }
private:
	std::string _dict_path; // 路径+文件名
	std::unordered_map<std::string, std::string> _dict;
};